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Lisansüstü Programı Ders İçerikleri Not: Elektrik Mühendisliği ders içerikleri İngilizce olarak verilmiştir. Elektrik Mühendisliğindeki bazı dersler aynı zamanda kontrol programında da olduğundan ders içeriklerine Kontrol ve Otomasyon Programı dosyasından da ulaşabilirsiniz. |
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EL 518 ANALYSIS of ELECTRICAL POWER SYSTEMS Definitions and general concepts, the models of power system elements in the system and their properties, coordinate transformations in use in system analysis. Bus-bar admittance algorithm and the system topology variations effects on the algorithm, power flow, short circuit analysis, non-symmetrical case analysis, power frequency and voltage variations in power systems. EL 543 DYNAMICS of ELECTRICAL MACHINES Electromagnetic energy conversion, linear and nonlinear electromechanical system. Energy, coenergy, torque and force equalities. Linear systems, mathematical models of electromechanical systems. Modeling of dc machines. Application of orthogonal transformation to synchronous, induction machines and n-m winding machines. EL 544 POWER SYSTEM STABILITY Definitions, simulation methods, swing equation, equal area criterion, mathematical model of synchronous machine, excitations systems, governor models, multimachine system model, numerical methods, stability analysis. EL 545 SWITCHING TRANSIENT in POWER SYSTEMS Introduction. System parameters and frequency dependence. Series dependence. Series impedance and shunt admittance matrices. Transformation matrices of multi-conductor power transmission lines. Mathematical model of electric power systems and various applications. Traveling wave methods. Transients on single and multi-conductor overhead transmission lines. Transform methods of solution. Computer programs. EL 546 OPTIMIZATION and STATE ESTIMATION in ELECTRICAL POWER SYSTEMS General concepts and rules, optimization and cost of each element constituting power systems, normalization and mutual optimization of various quantities in alternating and direct current systems, operating restrictions affecting the system optimization, optimum power flow, equipment planning in electrical systems and estimation of operating costs, the methods of load estimation, algorithms related to applications. EL 597 COMPUTER MODELING of POWER SYSTEMS Introduction. Per-unit values and modeling of the system variables. The modeling of the power systems as a multiport device. Load flow problem and the solution techniques. The analysis of three phase networks concerning asymmetrical and unbalanced cases. The reflections of the network modifications bus-bar impedance matrix and relevant algorithm. The formulation of the power system losses. Load sharing and its modeling. EL 599 HIGH VOLTAGE MEASUREMENT TECHNIQUES Fundamental principles of high voltage measurement technique; measurement with sphere gaps; electrostatic voltmeters; voltmeters based upon the generator principle; measurement of peak voltages; measurement with voltage transformers; measurement with klydonographs; high voltage dividers; measurement of impulse currents; measurement of electric loss and capacitance; experimental electrostatic field analysis; testing of electrical insulating materials; the evaluation of test result by statistical methods. EL 600 APPLICATIONS of SYMMETRICAL COMPONENTS to AC MOTORS General theory of the symmetrical components; graphical determination; sequence impedance; Kirchoff’s laws; complex power; sequence networks; transformers; synchronous generators; unbalanced operation of polyphase induction motors; sequence impedances and torques; single-phase induction motors; Steinmet connection; breaking connection; two-phase short-circuit and other applications. EL 601 FINITE ELEMENT METHODS in ELECTRICAL ENGINEERING Variation methods, the extramum formulation with homogeneous boundary conditions, nonhomogeneous boundary conditions, the general second order linear partial differential equation, the Raleigh-Ritz method, finite element idealization for field problems, triangular elements, higher order elements, least square methods, Galerkin’s method, time dependent problems, three dimensional problems, numerical solution of finite element equations. EL 602 INSULATION COORDINATION in HIGH VOLTAGE SYSTEMS Overvoltage, disruptive discharge and withstand voltages, lightning overvoltages on transmission lines, lighting performance of transmission lines, switching surge, design of transmission lines, the insulation coordination of HV stations. EL 620 COMPUTER AIDED DESIGN of SYNCHRONOUS GENERATORS The calculation of the diameter and length of the stator frame. The calculation of the design parameters of the stator winding, stator slots, rotor pole and field winding. The magnetic network analysis and obtaining magnetization characteristics. The calculation of the winding resistance and reactances. Calculation of the heating of stationary and rotary members. Technical drawing of the machine construction. The programming of the design procedure described above and computation of the performance characteristics. Computer aided technical drawings of the components and required design figures. EL 633 HARMONICS in ELECTRICAL MACHINES Methods of generating nonsinusoidal voltage waveforms, the type of nonsinusoidal voltage waveforms, Fourier Series, the MMF distribution in the air gap. The equivalent circuits of primary space harmonics. The secondary space harmonics. The calculation of air gap flux for sinusoidal and nonsinusoidal voltage waveform applications. Time harmonics. The deep bar effect. The equivalent circuit for time harmonics. The combined equivalent circuit space and time harmonics. The calculation of copper, iron and additional losses and efficiency diagram of a computer program for calculation of machine performance. EL 634 STATISTICAL ESTIMATION THEORY Parameter estimation. The Cramer-Rao bound, the principle of maximum likelihood, Bayesian theory of estimation, optimal mean square estimates and conditional expectation, Gaussian distributions, conditional density, Gram-Schmidt orthogonalization and covariance matrix factorization, estimation of signal in additive noise, performance degradation due to parameter uncertainty, maximum likelihood and least-square estimation, discrete linear estimator, Kalman filtering theory, on line estimation of system parameters. EL 701 POWER SYSTEM HARMONICS Definitions of harmonics, Fourier series and transforms, harmonics of power electronic networks harmonics of discharging devices, harmonics of electromechanical devices, harmonic effects, power system harmonic measurements, harmonic penetration in a.c. systems, harmonic elimination. EL 702 RELIABILITY ANALYSIS of POWER SYSTEMS Generating capacity; basic probability methods, frequency and duration method; interconnected systems; operating reserve composite generation and transmission systems; distribution systems; basic techniques and radial networks; parallel and meshed networks; substations and switching stations; plant and station availability. EL 703 OPTIMAL STOCHASTIC FILTERS and APPLICATION Random signals, response of linear systems to random inputs, filtering and estimation, the Kalman filter, smoothing of discrete time signals, innovation representation, spectral factorization, Weiener and Levinson filtering, applications in nonlinear filtering, parameter identification and adaptive estimation. EL 712 COMPUTER RELAYING for POWER SYSTEMS Introduction to computer relaying. Mathematical basis for computer relaying algorithms. Hardware and software design of microprocessor relays. Transmission line relaying, non-pilot protection of transmission lines, data communication and pilot protection of transmission lines. Protection of transformers, machines, reactors and buses. System relaying and control. Measurement, monitoring and state estimation in system relaying. Adaptive relaying. Traveling wave relaying. Fault location algorithms. Development in new relaying principles. EL 713 SPECTRAL ANALYSIS and TIME SERIES Basic concepts, stationary random processes, stochastic limiting operations, standard continuous parameter models, estimation in the time domain, estimation in the frequency domain, multivariate and multidimensional processes, AR, MA, and ARMA models, prediction, filtering, spectral analysis in practice. EL 714 POWER SYSTEM CONTROL Modeling of synchronous generators, excitation systems and voltage regulators, modeling of turbines and governors and load frequency control. Controllability, observability, eigenvalues and eigenvectors, analysis of small signal stability of power systems. Introduction to adaptive control techniques applied to power systems, adaptive excitation control and adaptive load-frequency control. |